ACT Prep Video #14 - Geometry from Granger HS on Vimeo.
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Plane Geometry Basics and Challenges (~23% of ACT Math Test)
Plane geometry problems account for 14 of the 60 questions on the ACT Math Test1. Angles and Lines
2. Triangles
3. Polygons
4. Circles
5. Simple Three-Dimensional Geometry
ACT Prep Video #14 - Geometry from Granger HS on Vimeo.
Notes and Diagrams: http://www.sparknotes.com/testprep/books/act/chapter10section6.rhtml
Quick Practice Problems: http://www.act-math-practice.com/act-math-problems.htm
Game Reviews of Basic Geometry: http://www.shmoop.com/basic-geometry/resources.html